<template>
    <div class="app-container">
        <el-form
            :model="queryParams"
            ref="queryForm"
            size="small"
            :inline="true"
            v-show="showSearch"
            label-width="68px"
        >
            <el-form-item label="栏目名称" prop="name">
                <el-input
                    v-model="queryParams.name"
                    placeholder="请输入栏目名称"
                    clearable
                    @keyup.enter.native="handleQuery"
                />
            </el-form-item>
            <el-form-item label="是否显示" prop="visible">
                <el-select
                    v-model="queryParams.visible"
                    placeholder="请选择是否显示"
                    clearable
                >
                    <el-option
                        v-for="dict in dict.type.sys_yes_no"
                        :key="dict.value"
                        :label="dict.label"
                        :value="dict.value"
                    />
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button
                    type="primary"
                    icon="el-icon-search"
                    size="mini"
                    @click="handleQuery"
                    >查询</el-button
                >
                <el-button
                    icon="el-icon-refresh"
                    size="mini"
                    @click="resetQuery"
                    >重置</el-button
                >
            </el-form-item>
        </el-form>
        <TableCard>
            <el-row :gutter="10" class="mb8">
                <el-col :span="1.5">
                    <el-button
                        type="primary"
                        plain
                        icon="el-icon-plus"
                        size="mini"
                        @click="handleAdd"
                        v-hasPermi="['cms:catalog:add']"
                        >新增
                    </el-button>
                </el-col>
                <el-col :span="1.5">
                    <el-button
                        type="info"
                        plain
                        icon="el-icon-sort"
                        size="mini"
                        @click="toggleExpandAll"
                        >展开/折叠
                    </el-button>
                </el-col>
                <right-toolbar
                    :showSearch.sync="showSearch"
                    @queryTable="getList"
                ></right-toolbar>
            </el-row>

            <el-table
                :border="Global.tableShowBorder"
                v-if="refreshTable"
                v-loading="loading"
                :data="catalogList"
                row-key="id"
                :default-expand-all="isExpandAll"
                :tree-props="{
                    children: 'children',
                    hasChildren: 'hasChildren',
                }"
            >
                <el-table-column label="栏目名称" prop="name" />
                <el-table-column
                    label="封面"
                    align="center"
                    prop="cover"
                    width="200"
                >
                    <template slot-scope="scope">
                        <image-preview
                            :src="scope.row.cover"
                            :width="50"
                            :height="50"
                        />
                    </template>
                </el-table-column>
                <el-table-column label="地址" align="center" prop="url" />
                <el-table-column
                    label="打开类型"
                    align="center"
                    prop="openType"
                >
                    <template slot-scope="scope">
                        <dict-tag
                            :options="dict.type.cms_catalog_opentype"
                            :value="scope.row.openType"
                        />
                    </template>
                </el-table-column>
                <el-table-column label="类型" align="center" prop="type">
                    <template slot-scope="scope">
                        <dict-tag
                            :options="dict.type.cms_catalog_type"
                            :value="scope.row.type"
                        />
                    </template>
                </el-table-column>

                <el-table-column
                    label="是否显示"
                    align="center"
                    prop="visible"
                    width="150"
                >
                    <template slot-scope="scope">
                        <dict-tag
                            :options="dict.type.sys_yes_no"
                            :value="scope.row.visible"
                        />
                    </template>
                </el-table-column>
                <el-table-column
                    label="操作"
                    align="center"
                    class-name="small-padding fixed-width"
                >
                    <template slot-scope="scope">
                        <el-button
                            size="mini"
                            type="text"
                            icon="el-icon-edit"
                            @click="handleUpdate(scope.row)"
                            v-hasPermi="['cms:catalog:edit']"
                            >修改</el-button
                        >
                        <el-button
                            size="mini"
                            type="text"
                            icon="el-icon-plus"
                            @click="handleAdd(scope.row)"
                            v-hasPermi="['cms:catalog:add']"
                            >新增</el-button
                        >
                        <el-button
                            size="mini"
                            type="text"
                            icon="el-icon-delete"
                            @click="handleDelete(scope.row)"
                            v-hasPermi="['cms:catalog:remove']"
                            >删除</el-button
                        >
                    </template>
                </el-table-column>
            </el-table>
        </TableCard>
        <!-- 添加或修改栏目管理对话框 -->
        <el-dialog
            :title="title"
            :visible.sync="open"
            width="1000px"
            append-to-body
        >
            <el-form
                ref="form"
                :model="form"
                :rules="rules"
                label-width="120px"
            >
                <el-form-item label="父级栏目id" prop="parentId">
                    <treeselect
                        v-model="form.parentId"
                        :options="catalogOptions"
                        :normalizer="normalizer"
                        placeholder="请选择父级栏目id"
                    />
                </el-form-item>
                <el-form-item label="栏目名称" prop="name">
                    <el-input
                        v-model="form.name"
                        placeholder="请输入栏目名称"
                    />
                </el-form-item>
                <el-form-item label="封面">
                    <image-upload v-model="form.cover" />
                </el-form-item>
                <el-form-item label="地址" prop="url">
                    <el-input v-model="form.url" placeholder="请输入地址" />
                </el-form-item>
                <el-form-item label="打开类型">
                    <el-radio-group v-model="form.openType">
                        <el-radio
                            v-for="dict in dict.type.cms_catalog_opentype"
                            :key="dict.value"
                            :label="dict.value"
                            >{{ dict.label }}</el-radio
                        >
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="类型">
                    <el-radio-group v-model="form.type">
                        <el-radio
                            v-for="dict in dict.type.cms_catalog_type"
                            :key="dict.value"
                            :label="dict.value"
                            >{{ dict.label }}</el-radio
                        >
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="是否显示">
                    <el-radio-group v-model="form.visible">
                        <el-radio
                            v-for="dict in dict.type.sys_yes_no"
                            :key="dict.value"
                            :label="dict.value"
                            >{{ dict.label }}</el-radio
                        >
                    </el-radio-group>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import {
    listCatalog,
    getCatalog,
    delCatalog,
    addCatalog,
    updateCatalog,
} from "@/api/cms/catalog";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
    name: "Catalog",
    dicts: ["cms_catalog_type", "sys_yes_no", "cms_catalog_opentype"],
    components: {
        Treeselect,
    },
    data() {
        return {
            // 遮罩层
            loading: true,
            // 显示查询条件
            showSearch: true,
            // 栏目管理表格数据
            catalogList: [],
            // 栏目管理树选项
            catalogOptions: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 是否展开，默认全部展开
            isExpandAll: true,
            // 重新渲染表格状态
            refreshTable: true,
            // 查询参数
            queryParams: {
                name: null,
                url: null,
                openType: null,
                type: null,
                parentId: null,
                cover: null,
                visible: null,
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {},
        };
    },
    created() {
        this.getList();
    },
    methods: {
        /** 查询栏目管理列表 */
        getList() {
            this.loading = true;
            listCatalog(this.queryParams).then((response) => {
                this.catalogList = this.handleTree(
                    response.data,
                    "id",
                    "parentId"
                );
                this.loading = false;
            });
        },
        /** 转换栏目管理数据结构 */
        normalizer(node) {
            if (node.children && !node.children.length) {
                delete node.children;
            }
            return {
                id: node.id,
                label: node.name,
                children: node.children,
            };
        },
        /** 查询栏目管理下拉树结构 */
        getTreeselect() {
            listCatalog().then((response) => {
                this.catalogOptions = [];
                const data = { id: 0, name: "顶级节点", children: [] };
                data.children = this.handleTree(
                    response.data,
                    "id",
                    "parentId"
                );
                this.catalogOptions.push(data);
            });
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {
                id: null,
                name: null,
                url: null,
                openType: "0",

                type: "0",

                parentId: null,
                cover: null,
                visible: "0",
            };
            this.resetForm("form");
        },
        /** 查询按钮操作 */
        handleQuery() {
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm("queryForm");
            this.handleQuery();
        },
        /** 新增按钮操作 */
        handleAdd(row) {
            this.reset();
            this.getTreeselect();
            if (row != null && row.id) {
                this.form.parentId = row.id;
            } else {
                this.form.parentId = 0;
            }
            this.open = true;
            this.title = "添加栏目管理";
        },
        /** 展开/折叠操作 */
        toggleExpandAll() {
            this.refreshTable = false;
            this.isExpandAll = !this.isExpandAll;
            this.$nextTick(() => {
                this.refreshTable = true;
            });
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            this.getTreeselect();
            if (row != null) {
                this.form.parentId = row.id;
            }
            getCatalog(row.id).then((response) => {
                this.form = response.data;
                this.open = true;
                this.title = "修改栏目管理";
            });
        },
        /** 提交按钮 */
        submitForm() {
            this.$refs["form"].validate((valid) => {
                if (valid) {
                    if (this.form.id != null) {
                        updateCatalog(this.form).then((response) => {
                            this.$modal.msgSuccess("修改成功");
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        addCatalog(this.form).then((response) => {
                            this.$modal.msgSuccess("新增成功");
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            this.$modal
                .confirm('是否确认删除栏目管理编号为"' + row.id + '"的数据项？')
                .then(function () {
                    return delCatalog(row.id);
                })
                .then(() => {
                    this.getList();
                    this.$modal.msgSuccess("删除成功");
                })
                .catch(() => {});
        },
    },
};
</script>
